{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "Increased ocular pressure in two patients with narrow angle glaucoma treated with venlafaxine ."}
{"adverse effect": [{"subject": "Increased ocular pressure", "object": "venlafaxine"}]}